Only plant cells have

vacuole, cell wall and chloroplasts

are totally unspecialised and can become any cell type

What are the products of aerobic respiration

carbon dioxide, water and energy

Biological catalysts that speed up reactions in cells

When making yoghurt the bacteria

change lactose into lactic acid

a unspecialised cell that can become different cell types

What factors can change respiration rate

concentration of glucose and oxygen

are already partially specialised cells

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Duplicate of 3rd Year Cells and Respiration

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Broad General Education

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Questions 20

Answers

1
When organisms carry out aerobic respiration they produce...
Carbon dioxide + water
Oxygen + water
Oxygen + carbon dioxide
Glucose + water
2
Only plant cells have
cell wall, chloroplasts and membranes
cytoplasm, cell wall and chloroplasts
cytoplasm, cell wall and mitichondria
vacuole, cell wall and chloroplasts
3
Which part of a cell controls what enters and leaves the cell
nucleus
cell wall
membrane
cytoplasm
4
embryonic stem cells
are specialised cells that carry out a specific functions
are partially specialised and can become several cell types
are totally unspecialised and can become any cell type
are unspecialised cells that become cells in the blood
5
Which part of a cell is the site of chemical reactions?
Nucleus
Cytoplasm
Chloroplast
Cell membrane
6
Which is the smallest?
Organism
Cell
Organ
Tissue
7
Both animal and plant cells have cell walls
True
False
8
What are the products of aerobic respiration
carbon dioxide and oxygen
glucose, carbon dioxide and energy
carbon dioxide, water and energy
glucose and water
9
Enzymes are
Biological catalysts that speed up reactions in cells
Catalysts that slow down chemical reactions
Biological catalysts that slow down reactions in cells
Catalysts that work at very high temperatures
10
When making yoghurt the bacteria
change lactic acid into alcohol
change lactose into lactic acid
change glucose into carbon dioxide and lactic acid
change lactic acid into lactose sugar
11
These are used to make yoghurt
bacteria
yeast
fungi
enzymes
12
A stem cell is
a specialised cell that can form different types of cells
a unspecialised cell that can become different cell types
a unspecialised cell that can form only 1 type of cell
a specialised cell that can carry out many fucntions
13
Where are proteins produced in the cell?
Mitochondria
Chloroplast
Cytoplasm
Ribosome
14
Unicellular organisms use cell division to
grow
make new cells to replace old ones
repair tissue
reproduce
15
What controls the cell?
Nucleus
Chloroplast
Cytoplasm
Membrane
16
When yeast carry out aerobic respiration what are the bubbles
oxygen
nitrogen
carbon dioxide
air
17
What factors can change respiration rate
concentration of glucose and carbon dioxide
concentration of glucose and oxygen
concentration of glucose and energy
concentration of glucose and water
18
Important product of fermentation needed in baking bread
glucose
oxygen
alcohol
carbon dioxide
19
Adult stem cells
are totally unspecialised and divide regularly
are specialised cells that carry out a specific function
are totally unspecialised cells that become any cell type
are already partially specialised cells
20
Fermentation in yeast produces....
Ethanol
Ethanol + oxygen
Ethanol + carbon dioxide
Beer + wine

Duplicate of 3rd Year Cells and Respiration Flashcards | StudBud